The Master Mind of Mars

Meet Ulysses Paxton, a World War I soldier who is mystically transported to Mars and becomes the assistant to the planet's greatest surgeon. He uncovers a ghastly trade in bodies, where the rich purchase the youthful forms of the poor to extend their lives. Horrified by the ethics of his mentor, he plots a rebellion to save the woman he loves from a forced transplant. This installment introduces weird science to the sword-and-planet genre, exploring themes of bioethics and identity.